CN215757438U - Device for cooling and crushing molten metallurgical slag in closed cover - Google Patents
Device for cooling and crushing molten metallurgical slag in closed cover Download PDFInfo
- Publication number
- CN215757438U CN215757438U CN202120105029.1U CN202120105029U CN215757438U CN 215757438 U CN215757438 U CN 215757438U CN 202120105029 U CN202120105029 U CN 202120105029U CN 215757438 U CN215757438 U CN 215757438U
- Authority
- CN
- China
- Prior art keywords
- slag
- rolling
- closed
- cooling
- metallurgical slag
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002893 slag Substances 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 238000005096 rolling process Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007921 spray Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000000428 dust Substances 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Manufacture Of Iron (AREA)
Abstract
The utility model relates to the field of treatment of metallurgical slag in the metallurgical industry, in particular to a device for cooling and crushing the metallurgical slag in a molten state in a closed hood. The utility model pours the melted metallurgical slag into the movable rolling machine through the fixed tipping machine, then the slag is crushed by the self-propelled rolling machine, and simultaneously the slag is cooled by water, and the whole process flow is carried out in the closed cover. Thereby avoiding raising dust, making sensible heat recovery possible, the degree of automation of operation is high, the environment is more environmental-friendly, the equipment operation maintenance is more convenient, and simultaneously, the matching investment and the operation cost of metallurgical slag treatment are saved.
Description
Technical Field
The utility model relates to the field of treatment of metallurgical slag in the metallurgical industry, in particular to a device for cooling and crushing the metallurgical slag in a molten state in a closed hood.
Background
In the field of metallurgical slag pretreatment, the flow of the rolling crushing process widely adopted at present is as follows: the slag tank is placed on a rail type slag tank tilting vehicle by a crown block, the tilting vehicle enters a steel slag pretreatment chamber, moves to a specified position along a rail, tilts molten steel slag into the bottom of the pretreatment chamber, and retreats to move to a specified position outside the pretreatment chamber along the rail. And then cooling and rolling the steel slag.
The existing rolling crushing process has the following problems:
the rail type slag pot dumping car is arranged outside the cover, and the requirement on the span of a factory building is larger due to the whole process and is generally not less than 33 m.
The driving and running devices of the rolling and tipping equipment operate in a high-temperature, high-dust and high-humidity working environment in the closed cover, the equipment is easy to break down, and the running area of the rolling and tipping equipment is seriously accumulated with dust, so that the maintenance of the rolling and tipping equipment is inconvenient.
The rolling crushing equipment is very easy to jack up when running steel or hard lump is encountered in the walking process of the rolling crushing equipment, derailment is caused, and the rolling crushing equipment is difficult to reset because the rolling crushing equipment is arranged in the closed cover.
The roll-in crushing dust hood is open at the inlet and outlet sides of the tipping device, the closed hood cannot realize complete closing, the air leakage is large, the air quantity of a dust removal system is too large on the premise of ensuring the flue gas trapping effect, the temperature is too low, and the sensible heat recycling of steel slag cannot be realized; meanwhile, the large spraying water consumption of the dust removal system and the large scale of the turbid circulating water system are brought; the dust removal and water treatment system occupies too much land, and the investment and operation cost are too high in the steel slag treatment process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for cooling and crushing molten metallurgical slag in a closed cover.
The method for cooling and crushing the metallurgical slag in a molten state in a closed hood according to the utility model comprises the following steps:
1) the slag pot filled with the metallurgical slag in a molten state is placed on a fixed slag pot tipping machine from a cover door of a closed cover through a crown block, and a driving device of the fixed slag pot tipping machine is externally arranged;
2) closing a cover door of the closed cover, and slowly pouring liquid slag in the slag tank into a dry movable rolling machine positioned at a slag receiving position by a tipping machine;
3) opening a cover door of the closed cover, lifting the slag tank away by a crown block, closing the cover door, and moving the movable rolling machine to a rolling station;
4) the crushing roller of the self-propelled rolling car rotates positively and negatively, the travelling mechanism of the self-propelled rolling car reciprocates, and meanwhile, the spray system in the closed cover sprays water to metallurgical slag for cooling, so that the metallurgical slag is cooled and crushed. The window of the sealing cover at the position of the transmission shaft of the rolling trolley is provided with a movable sealing device which is opened and closed along with the running of the rolling trolley, so that dust overflow and external air entering are prevented on the premise of not influencing the working of the rolling trolley;
5) after the metallurgical slag is cooled to less than or equal to 600 ℃, the crushing roller of the self-propelled roller trolley pushes the metallurgical slag to a blanking port provided with a baffle door (the baffle door is opened when the baffle door is unloaded, and the roller is closed in the rest time), and then the metallurgical slag is unloaded into a slag receiving groove.
The method for cooling and crushing the metallurgical slag in a molten state in a closed hood according to the utility model is characterized in that the steps 1) to 5) are repeated for periodic operation.
The device for cooling and crushing the metallurgical slag in the molten state in the closed hood comprises the closed hood with a movable closing device, a fixed tipping machine, a movable rolling machine, a self-propelled rolling vehicle and a spraying system, wherein a slag pot filled with the metallurgical slag in the molten state is placed on the fixed slag pot tipping machine from a hood door of the closed hood, and a driving device of the fixed tipping machine is externally arranged;
the fixed tipping machine slowly pours the liquid slag in the slag tank into a dry movable rolling machine located at a slag receiving position, a cover door of the closed cover is closed, and the movable rolling machine moves to a rolling station;
the crushing roller of self-propelled rolling car is positive and negative rotatory, and its running gear reciprocating motion is beaten water cooling to metallurgical sediment to spray system in the sealed cowling simultaneously, the crushing roller of self-propelled rolling car is located in the sealed cowling, and drive and running gear locate the sealed cowling outside.
According to the technical scheme of the application, the requirement on the span of the plant is low in the whole process; the tipping, crushing and cooling of the metallurgical slag in a molten state are carried out in a closed cover, a tipping machine adopts a fixed type, a self-propelled roller trolley crushing roller is arranged in the closed cover, a driving and traveling device is arranged outside the closed cover, a movable roller press bed is arranged in the closed cover, and periodic operation is carried out between a slag receiving station and a rolling station, so that the equipment has low failure rate, is convenient to maintain and has no serious dust accumulation; the whole process flow is carried out in a closed cover, thereby avoiding dust raising and enabling sensible heat recovery to be possible. The method has the advantages of high automation degree, more environment-friendly operation environment, more convenient and faster equipment operation and maintenance, and simultaneously saves the matching investment and the operation cost of metallurgical slag treatment.
Drawings
FIG. 1 is a front view of the apparatus for cooling and breaking molten metallurgical slag in a closed enclosure according to the utility model in a slag-receiving condition;
FIG. 2 is a front view of the apparatus for cooling and breaking molten metallurgical slag in a closed enclosure according to the present invention in a rolled condition;
FIG. 3 is a cross-sectional view of the apparatus for cooling and crushing molten state metallurgical slag in a closed enclosure at a tilting station according to the present invention;
FIG. 4 is a cross-sectional view of the apparatus for cooling and crushing molten metallurgical slag in a closed hood at a rolling station according to the present invention.
Reference numerals
1, sealing a cover; 2-fixed tipping machine; 3, self-propelled roller press; 4-movable rolling machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The technical solutions provided by the embodiments of the present application are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the apparatus for cooling a crushed molten state metallurgical slag in a closed enclosure according to the present invention comprises a closed enclosure 1 with a movable closing means, a stationary tilting machine 2, a self-propelled rolling car 3, a mobile rolling bed 4, and a sprinkling system. A slag pot filled with molten metallurgical slag is placed on a fixed slag pot tipping machine 2 from a cover door of a closed cover 1 through a crown block, and a driving device of the fixed slag pot tipping machine 2 is arranged outside the closed cover 1. The cover door of the closed cover 1 is closed, and the fixed tipping machine 2 slowly pours the liquid slag in the slag tank into a dry movable rolling machine 4 at a slag receiving position. And opening the cover of the closed cover 1, hanging the slag tank away by the crown block, closing the cover door, and moving the movable rolling machine 4 to a rolling station. The crushing roller of self-propelled rolling car 3 is positive and negative rotatory, and its running gear reciprocating motion fixed cover is located rolling car transmission shaft position and is established movable closing device, and along with the rolling car walking opens and shuts and close, the cooling of beating water to metallurgical sediment of the spraying system in the closed cover 1 simultaneously realizes that the cooling of metallurgical sediment is broken, in the closed cover was located to the crushing roller of self-propelled rolling car 3, its drive and running gear located the closed cover outside. After the metallurgical slag is cooled to less than or equal to 600 ℃, the crushing roller of the self-propelled roller trolley pushes the metallurgical slag to a blanking port, and then the metallurgical slag is discharged into a slag receiving groove.
Claims (3)
1. An apparatus for cooling and crushing molten metallurgical slag in an enclosure, comprising an enclosure with a movable closure, a stationary tilting machine, a movable roller press, a self-propelled roller press, and a spray system, wherein a slag pot containing molten metallurgical slag is placed from a door of the enclosure onto the stationary tilting machine, and a drive unit of the stationary tilting machine is externally disposed;
the fixed tipping machine slowly pours the liquid slag in the slag tank into a dry movable rolling machine located at a slag receiving position, a cover door of the closed cover is closed, and the movable rolling machine moves to a rolling station;
the crushing roller of self-propelled rolling car is positive and negative rotatory, and its running gear reciprocating motion is beaten water cooling to metallurgical sediment to spray system in the sealed cowling simultaneously, the crushing roller of self-propelled rolling car is located in the sealed cowling, and drive and running gear locate the sealed cowling outside.
2. An apparatus for cooling and disintegrating molten metallurgical slag in a closed enclosure according to claim 1, wherein said moving roller press is operated periodically between a slag receiving station and a roller press station.
3. The apparatus for cooling and breaking molten metallurgical slag in a closed enclosure according to claim 1, wherein the window of the closed enclosure at the position of the transmission shaft of the mobile rolling cart is provided with a mobile closing device which is opened and closed as the rolling cart travels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120105029.1U CN215757438U (en) | 2021-01-15 | 2021-01-15 | Device for cooling and crushing molten metallurgical slag in closed cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120105029.1U CN215757438U (en) | 2021-01-15 | 2021-01-15 | Device for cooling and crushing molten metallurgical slag in closed cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215757438U true CN215757438U (en) | 2022-02-08 |
Family
ID=80071057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120105029.1U Expired - Fee Related CN215757438U (en) | 2021-01-15 | 2021-01-15 | Device for cooling and crushing molten metallurgical slag in closed cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215757438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853011A (en) * | 2021-01-15 | 2021-05-28 | 北京蓝天益鹏科技发展有限公司 | Method and device for cooling and crushing molten metallurgical slag in closed hood |
-
2021
- 2021-01-15 CN CN202120105029.1U patent/CN215757438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112853011A (en) * | 2021-01-15 | 2021-05-28 | 北京蓝天益鹏科技发展有限公司 | Method and device for cooling and crushing molten metallurgical slag in closed hood |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |